Quad definition

n 1: one of four children born at the same time from the same
pregnancy [syn: quadruplet, quad]
2: a muscle of the thigh that extends the leg [syn:
quadriceps, quadriceps femoris, musculus quadriceps
femoris, quad]
3: (printing) a block of type without a raised letter; used for
spacing between words or sentences [syn: quad, space]
4: a rectangular area surrounded on all sides by buildings [syn:
quad, quadrangle]
- or -